Quote:
Originally Posted by BionicGecko
One possible reason is that some Kobo devices (not sure about the Libra) use Pulse Width Modulation (PWM) as a way to control brightness; the LEDs are rapidly switched on and off, and the ratio of time they spend in the on state vs the off state determines the effective brightness. Some people are more sensitive than others to this flickering. Kindles don’t use PWM to control brightness.
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I've thought about that, but whatever information I find on PWM is pretty vague. But perhaps I'm just oversensitive to these kind of things.
